Username library

This project uses hardhat framework to create a smartcontract where you can register a username for your wallet address.

This smartcontract is developed for goerli testnet and ethereum blockchain. Smartcontract is written in solidity.

Test

npx hardhat test

Deploy

npx hardhat run scripts/deploy.js

Interact with SmartContract

Once the smartcontract is deployed, you can interact to it using the following functions:

registerUser()

This function takes a username as an argument. It maps your current wallet address to the username you provide. It will not allow duplicate usernames and multiple username registration for one wallet.

getUsername()

It is a view functions and hence does not cost any gas.

Pass a address to this function and get the username corresponding to it, if it exists.

getAddress()

It is a view functions and hence does not cost any gas.

Pass a username to this function and get the address corresponding to it, if it exists.